Actually I find that the fuel distribution on the 1A is MORE useful than as it is for the -1 based on a conversation and recommendations by some of the AKs (I think it was Dogg, but that was the day of the patch so it's been a while).
If I'm going at least a sector I take 75% fuel. Burn the left wing down to 25%, then burn right wing down to the same. Switch over to main tanks until empty and use the "reserve" this creates in the wings as go-home gas. 25% in the left and right tanks will get you 40 miles on cruise settings, sometimes more if you have enough alt to reduce even further (woo! so next time a magic bullet punctures my main tank from Dead 6 without hitting the pilot I won't run out of gas while I RTB).
With this procedure I reach my normal cruise alt on wing tanks only, and more or less arrive over target with the fuel down to 25% in both wings (depending on the distance I may have a little extra in the right tank, or have burned a little off the main).
Also, is it just me or does the 1A seem to not suffer so badly from a heavy fuel load? 1D always felt REAL sluggish with 75% in the main tank but even though the 1A carries a bit more she still feels lighter.